Silicon detector results from the first five-tower run of CDMS II
Abstract
We report results of a search for weakly interacting massive particles (WIMPs) with the Si detectors of the CDMS II experiment. This report describes a blind analysis of the first data taken with CDMS II's full complement of detectors in 2006–2007; results from this exposure using the Ge detectors have already been presented. We observed no candidate WIMP-scattering events in an exposure of 55.9 kg-days before analysis cuts, with an expected background of ∼1.1 events. The exposure of this analysis is equivalent to 10.3 kg-days over a recoil energy range of 7–100 keV for an ideal Si detector and a WIMP mass of 10  GeV/c^2. These data set an upper limit of 1.7×10^(-41)  cm^2 on the WIMP-nucleon spin-independent cross section of a 10  GeV/c^2 WIMP. These data exclude parameter space for spin-independent WIMP-nucleon elastic scattering that is relevant to recent searches for low-mass WIMPs.
Additional Information
© 2013 American Physical Society. Received 15 April 2013; published 27 August 2013; publisher error corrected 3 September 2013. The CDMS Collaboration gratefully acknowledges the contributions of numerous engineers and technicians; we would like to especially thank Dennis Seitz, Jim Beaty, Bruce Hines, Larry Novak, Richard Schmitt and Astrid Tomada. In addition, we gratefully acknowledge assistance from the staff of the Soudan Underground Laboratory and the Minnesota Department of Natural Resources. This work is supported in part by the National Science Foundation (Grants No. AST-9978911, No. NSF-1102795, No. PHY-0847342, No. PHY-0542066, No. PHY-0503729, No. PHY-0503629, No. PHY-0503641, No. PHY-0504224, No. PHY-0705052, No. PHY-0801708, No. PHY-0801712, No. PHY-0802575, No. PHY-0847342, No. PHY-0855299, No. PHY-0855525, No. PHY-1151869, and No. PHY-1205898), by the Department of Energy (Contracts No. DE-AC03-76SF00098, No. DE-FG02-92ER40701, No. DE-FG03-90ER40569, No. DE-FG03-91ER40618, and No. DE-SC0004022), by the Swiss National Foundation (SNF Grant No. 20-118119), by NSERC Canada (Grants No. SAPIN 341314 and No. SAPPJ 386399), and by MULTIDARK CSD2009-00064 and FPA2012-34694. Fermilab is operated by Fermi Research Alliance, LLC under Contract No. De-AC02-07CH11359, while SLAC is operated under Contract No. DE-AC02-76SF00515 with the U.S. Department of Energy.Attached Files
Published - PhysRevD.88.031104.pdf
Submitted - 1304.3706v3.pdf
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Additional details
- Eprint ID
- 41686
- Resolver ID
- CaltechAUTHORS:20131004-124407612
- NSF
- AST-9978911
- NSF
- PHY-1102795
- NSF
- PHY-0847342
- NSF
- PHY-0542066
- NSF
- PHY-0503729
- NSF
- PHY-0503629
- NSF
- PHY-0503641
- NSF
- PHY-0504224
- NSF
- PHY-0705052
- NSF
- PHY-0801708
- NSF
- PHY-0801712
- NSF
- PHY-0802575
- NSF
- PHY-0847342
- NSF
- PHY-0855299
- NSF
- PHY-0855525
- NSF
- PHY-1151869
- NSF
- PHY-1205898
- Department of Energy (DOE)
- DE-AC03-76SF00098
- Department of Energy (DOE)
- DE-FG02-92ER40701
- Department of Energy (DOE)
- DE-FG03-90ER40569
- Department of Energy (DOE)
- DE-FG03-91ER40618
- Department of Energy (DOE)
- DE-SC0004022
- Swiss National Science Foundation (SNSF)
- 20-118119
- Natural Sciences and Engineering Research Council of Canada (NSERC)
- SAPIN 341314
- Natural Sciences and Engineering Research Council of Canada (NSERC)
- SAPPJ 386399
- MULTIDARK
- CSD2009-00064
- MULTIDARK
- FPA2012-34694
- Department of Energy (DOE)
- DE-AC02-07CH11359
- Department of Energy (DOE)
- DE-AC02-76SF00515
- Created
-
2013-10-04Created from EPrint's datestamp field
- Updated
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2021-11-10Created from EPrint's last_modified field